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842104188 = 22342599087
BaseRepresentation
bin110010001100010…
…111110101111100
32011200120022210000
4302030113311330
53211034313223
6215321114300
726603524152
oct6214276574
92150508700
10842104188
113a2389382
121b6028990
13105605403
147dba93d2
154dde2543
hex32317d7c

842104188 has 30 divisors (see below), whose sum is σ = 2201427536. Its totient is φ = 280701288.

The previous prime is 842104183. The next prime is 842104223. The reversal of 842104188 is 881401248.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842104183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1299220 + ... + 1299867.

Almost surely, 2842104188 is an apocalyptic number.

It is an amenable number.

842104188 is an abundant number, since it is smaller than the sum of its proper divisors (1359323348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

842104188 is a wasteful number, since it uses less digits than its factorization.

842104188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2599103 (or 2599092 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 36.

The square root of 842104188 is about 29019.0314793585. The cubic root of 842104188 is about 944.3259895276.

The spelling of 842104188 in words is "eight hundred forty-two million, one hundred four thousand, one hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 2599087 5198174 7797261 10396348 15594522 23391783 31189044 46783566 70175349 93567132 140350698 210526047 280701396 421052094 842104188